Breakthrough and prospect of shale gas exploration and. The life cycle of shale gas begins with the drilling and completion of a well, which in turn. Technologies in discovery and exploration of fuling shale. Barnett, marcellus, fayetteville, new albany, antrim, and haynesville. Technologies in discovery and exploration of fuling shale gas. Another major technology often employed in producing natural gas from shale is horizontal drilling see graphic on previous page. A member of mitchells team suggested using a budget formula for fracking fluid, one that consisted mostly of water instead of a gel. According to ongc estimates, indias shale gas reserves range between 600 and 2,000 trillion cubic feet. It is one of the cleanest, safest, and most useful of all energy sources, and helps to meet the worlds rising demand for cleaner energy into the future. Technically recoverable shale oil and shale gas resources 6 2. Much of the technology used in drilling and production of shale gas has been developed on this play.
Exploration discovery, key technologies, shale gas, wufenglongmaxi group, fuling shale gas field 1. In 2015, the proven shale gas reserves in china realized a great breakthrough, for example, well w202 in weiyuan shale gas field, well n201 and ys108 well block in changning shale gas field and well jy4jy5 in fuling shale gas field had been respectively proven with the shale gas bearing area of 48. The efforts of the partners will include the identification of funding sources for. Thanks to the exploitation of some large shale gas fields in cluding marcellus, the us shale gas yield reached 4250i. One reason for this may be the role that shalegas development plays. This boom raises various questions that scholars have begun to.
The diffusion of fracking technology globally to areas such as china. Oil and gas exploration in the united states has expanded with the increased use of horizontal, or directional, drilling to facilitate the recovery of shale gas and tight oil resources. Breakthrough and significance of unconventional oil and. Technology for a better society conventional and unconventional oil and gas. The increase in shale oil and gas production in the united states follows many years of investment and research carried out by the federal government. Natural gas is a vital component of the worlds supply of energy and an important source of many bulk chemicals and speciality chemicals. Eu readies for shale gas breakthrough the motley fool. Energy is a topic of enormous and growing interest to both government and the public. In the long term, we estimate that shale oil could displace around 3540% of waterborne crude oil imports to the us. Introduction united states is the first country who successfully extracted shale gas. In texas, where similar gas shale development takes place, the rates are generally higher.
The shallow section of shale wells are drilled vertically much like a traditional conventional gas well. Pdf breakthrough and prospect of shale gas exploration and. It is a fossil fuel originating from plant, algal or other remains, and composed primarily of methane ch 4. Assessment of shale gas potential technology for safe exploitation. There is a constant balancing act the shale gas price needs to be high enough for producers, but low enough so as.
Shale gas is the term often used to describe both tight gas and shale gas resources. Shale gas was first extracted as a resource in fredonia, new york, in 1821, in shallow, lowpressure fractures. In 2015, the proven shale gas reserves in china realized a great breakthrough, for example, well w202 in weiyuan shale gas field, well n201 and ys108 well block in changning shale gas field and well jy4jy5 in fuling shale gas field had been respectively proven with the shale gasbearing area of 48. Fuling shale gas play is the most successful shale gas reservoir by far in china with. The shale revolution and the new geopolitics of energy. Pdf spe174998ms production analysis of one shale gas. Eu environment commissioner janez potocnik said shale gas is raising hopes in europe. But over time uses for natural gas, and the infrastructure to capture and transport it, were developed, allowing natural gas to become an increasingly important fuel source for residential and commercial cooking and heating, power plants, and industrial processes. Of the natural gas consumed in the united states in 2009, 87% was produced domestically. Energy information administration technically recoverable shale oil and shale gas resources 4 ahead of time.
Shale gas is natural gas formed and held within shale formations. For gas generated by oil shale pyrolysis and also referred as shale gas, see oil shale gas. We are safely tapping into huge resources of natural gas, known as tight and shale gas, held deep inside rock. The basic technology required to access the shale gas is the same horizontal drilling and fracturing are necessary to efficiently release the natural gas. Faced with declining natural gas production, the federal government invested in many supply alternatives, including the. The use of slick water fracking in shale gas formations was a major breakthrough. Compared to the old technology, the oil shale insitu method applies heat to the oil shale layer to make it crack and produce shale oil and natural gas underground. Wiseman abstract the early twentyfirst century has witnessed a boom in oil and natural gas production that promises to turn the united states into a new form of petrostate. Description of the shale gas life cycle the life cycle of shale gas begins with the drilling and completion of a well, which in turn involve horizontal drilling and hydraulic fracturing. Shale gas exploration and production key issues and responsible business practices guidance note for financiers this guidance note has been produced to assist financial institutions in their internal conversations and decisionmaking with regard to risks and responsible business practices associated with shale gas production.
Apr 08, 2009 a new ceramiccomposite material that can withstand high temperatures and constant exposure to moisture could provide an economical way to unlock americas vast oilshale deposits. We are using advanced technology developed and refined over 60 years to safely unlock resources of natural gas trapped tightly inside dense rock in extremely fine pores. Lowmoderate yield of shale gas wells is the normal in china, so it is crucial to develop key exploration and development technologies. Pdf breakthrough and prospect of shale gas exploration. Desheng hu and shengqing xu, opportunity, challenges and policy choices for china on the development of shale gas, energy policy, vol. Today, shale gas is extracted via a process called hydraulic fracturing. Fracking for shale gas production 5 1 introduction 1. Eu readies for shale gas breakthrough ukraine in may hosts a summit to explore the potential for shale oil and natural gas in europe. Shale gas as a case study in innovation policy john m. In the past five years, shale gas exploration and development has grown in a leapingforward way in china. The mission of the shale gas innovation and commercialization center sgicc is to establish a collaborative that will engage a wide range of partners with the intent to accelerate technology breakthroughs related to the shale gas resource in pennsylvania.
Following usa and canada, china is now the third country where industrial shale gas. Fourth, intensify the research on exploration and development technologies in order to stand out. Bp chief hails american breakthrough in gas supplies from. Coal exports do not offset massive emissions reductions from natural gas, the breakthrough institute 19 aug. The main difference between tight gas and shale gas, however, is that tight gas can be found in low permeability sedimentary rocks, such as sandstones, while shale gas rocks are usually impermeable 2 royal dutch shell plc. Todays technology helps us reduce our environmental footprint, cut down the number of drilled wells, and lower costs. Dilallo, matt, china ready to reap billions from u. Composition variety complicates processing plans for us. It worked, and gas recovery from the shale rock increased. While the independents were responsible for the breakthrough in shale and the early days of. S federal price controls on natural gas led to shortages in the 1970s.
Shell s principles for producing tightshale oil and gas we follow global operating principles focused on safety, environmental safeguards, and engagement with nearby communities to unlock resources safely and responsibly. And then, a breakthrough in the mid1990s boosted the technology and gave frackings evolution some serious momentum. Environmental protection agency estimates that 25,000 to 30,000 new hydraulic fracturing wells were drilled each year between 2011 and 2014, and the impact of those wells and the use of hydraulic. As of 20, the us, canada, and china are the only countries producing shale gas in commercial quantities. An overview of hydraulic fracturing and other formation. However, exploring, producing and bringing gas to the user or converting gas into desired chemicals is a. Shale oil february 20 3 shale oil could make the largest single contribution to total us oil production growth by 2020, with the proportion of production from conventional sources remaining relatively stable. Ben franklin technology partners shale gas innovation and. Barnett the barnett shale formation is the grandfather of shale gas plays.
It is foreseeable that chinas shale oil and gas exploration and development will enter into a period of rapid development. It can be solved through improved technology, but this costs more and the investments in improving technology need to increase. The successful pilot testing of firstever shale gas on surface will put india on shale gas map of the world. Production of shale gas using the socalled fracking technology is currently the subject of a heated energy and environmental policy debate. Generally, shale formations are composed of finegrained less than 0. How technology is opening up new markets for shale gas and gtl. Resource estimates change as extraction technologies improve, as markets evolve, and as oil and. Breakthrough and significance of unconventional oil and gas.
The does eastern gas shales project determined there. The combination of the technologies in the 2000s, however, constituted a technology breakthrough. Shale oil and gas exploration and development prospects and. One of the important driving factors for the rapid and largescale development of shale oil and gas is the breakthrough in the theory and understanding of shale oil and gas geology. Development, technology, and policy issues congressional research service 2 gas shale development takes place on both private and state lands. China is the third country gaining shale gas breakthrough in the world after the united states and canada.
Seven years ago, oil production was in steep decline and natural gas nearly as hard to find. Oil and gas explorers in the us have been aware of large deposits of shale gas and oil since the 1940s, but until recently were unable to extract such resources in a costeffective manner. Bp chief hails american breakthrough in gas supplies from shale rocks this article is more than 10 years old bps tony hayward tells world economic forum of. In 1992, the first horizontal well was drilled in the barnett shale gas field using modern drilling technology. Frequently asked questions about natural the breakthrough. In the long term, we estimate that shale oil could displace around 35. Yet after the breakthroughs in information technology. Chinas shale deposits differ from those found in the united states, in that they are typically found at greater depth. Life cycle assessment of marcellus shale gas supplemental. Ukraine and its eastern european neighbors may host some of. Just above the target depth the place where the shale gas formation exists the. This report is an updated version of the previous report an overview of hydraulic fracturing and other formation stimulation technologies for shale gas production, published in 20 eur 26347 en, isbn number 9789279347290, pubsy number jrc86065. Economically recoverable resources are resources that can be profitably produced under current market.
Technically recoverable shale oil and shale gas resources. The us story and its implications, global energy center senior fellow ellen scholl looks at the factors which enabled the rise of oil and gas production from shale deposits, focusing on the developments which have transpired in texas. Since 2008, the shale gas boom in north america has brought this particular. The gas reserve spread over 12,000 square km in the durgapur ranigunj area is the worlds third shale gas find. With energy companies clamoring to get in line, europe may be on the cusp of a shale breakthrough. Advances in technological capability such as horizontal drilling and hydraulic fracturing have now made it possible to extract the gas and oil deposits in. Shale gas development in the united states shale formations across the u. The global spread of advanced fracking technology is.
Hydraulic fracturing breakthroughs have enabled oil exploration and production. Commercial shale gas production was also real ized in canada, china and brazil. Finally, technology for shale gas recovery was crude, and the benefits of costly horizontal drilling in gas shales had. Shale gas exploration and production key issues and. Hydraulic fracturing was patented in 1952, and has been employed for many years in the oil and gas industry 1. Determine the areal extent of the shale formations within the. Legal decisions on appropriate precautions against environmental risks arising from fracking will shortly. We face difficult choices about security of supply, affordability, and the environment. Sep 26, 2014 but over time uses for natural gas, and the infrastructure to capture and transport it, were developed, allowing natural gas to become an increasingly important fuel source for residential and commercial cooking and heating, power plants, and industrial processes. Shale oil and gas exploration and development prospects. Breakthrough in shale oil extraction technology triples.